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urochord

   Also found in: Wikipedia 0.01 sec.
u·ro·chord  (yr-kôrd)
n.
A notochord limited to the caudal region, characteristic of the urochordates.

[uro- + chord.]

urochord [ˈjʊərəʊˌkɔːd]
n
(Life Sciences & Allied Applications / Zoology) the notochord of a larval tunicate, typically confined to the tail region
n & adj
(Life Sciences & Allied Applications / Animals) Also urochordate [ˌjʊərəʊˈkɔːdeɪt] another word for tunicate
[from uro-2 + chord, a variant of cord]
urochordal  adj
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.urochord - primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larvaurochord - primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
chordate - any animal of the phylum Chordata having a notochord or spinal column
ascidian - minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves
salp, salpa - minute floating marine tunicate having a transparent body with an opening at each end
doliolum - free-swimming oceanic tunicate with a barrel-shaped transparent body
larvacean - any member of the class Larvacea
appendicularia - free-swimming tadpole-shaped pelagic tunicate resembling larvae of other tunicates
2.urochord - a notochord of a larval tunicate typically confined to the caudal region
notochord - a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates


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